Base | Representation |
---|---|
bin | 11101110100001100100001… |
… | …100101101001111001000101 |
3 | 122012021220222210120202021212 |
4 | 131310030201211221321011 |
5 | 114141414132232030341 |
6 | 1142520215321221205 |
7 | 36422562563400560 |
oct | 3564144145517105 |
9 | 565256883522255 |
10 | 131130210033221 |
11 | 38867012008323 |
12 | 12859ab6031805 |
13 | 58226ab0b3559 |
14 | 2454a439454d7 |
15 | 1025ee73105eb |
hex | 774321969e45 |
131130210033221 has 8 divisors (see below), whose sum is σ = 149866302702720. Its totient is φ = 112394918744208.
The previous prime is 131130210033161. The next prime is 131130210033223. The reversal of 131130210033221 is 122330012031131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131130210033221 - 26 = 131130210033157 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131130210033223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199994441 + ... + 200649038.
It is an arithmetic number, because the mean of its divisors is an integer number (18733287837840).
Almost surely, 2131130210033221 is an apocalyptic number.
It is an amenable number.
131130210033221 is a deficient number, since it is larger than the sum of its proper divisors (18736092669499).
131130210033221 is an equidigital number, since it uses as much as digits as its factorization.
131130210033221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400690243.
The product of its (nonzero) digits is 648, while the sum is 23.
Adding to 131130210033221 its reverse (122330012031131), we get a palindrome (253460222064352).
The spelling of 131130210033221 in words is "one hundred thirty-one trillion, one hundred thirty billion, two hundred ten million, thirty-three thousand, two hundred twenty-one".
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